Acoustic profiles

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Acoustic profile 1

(maximum 7 grooves of 4 mm)

ET = 60 to 240 mm
EW = 280 mm - 600 mm (DB-15 mm)
RD = Groove depth: 15 mm
RW = Groove width: 4 mm
PA = Profile spacing ~ 33

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Acoustic profile 2

(maximum 8 grooves of 10 mm)

ET = 60 to 240 mm
EW = 280 mm to 600 mm (DB-15mm)
RD = Groove depth: 5 bis 15 mm
RW = Groove width: 10 mm
PA = depending on cover width

Acoustic profiles only in connection with the following profiling:
Double groove and double tongue (with 15 mm steps)

Without proven sound absorption.